Rockfire Resources sees highest silver grades yet at Molaoi zinc project
Original announcement by proactiveinvestors on
- Company
- Rockfire Resources PLC
- Ticker
- ROCK
- Exchange
- Unavailable
- Region
- Greece
- Primary commodity
- Zinc
- Secondary commodities
- Silver, Lead
- Document categories
- Drill results, Metallurgy
- Extracted
- 2026-09-16 07:42:07 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Rockfire Resources reported high-grade pXRF readings from hole HMO-021 at the Molaoi zinc project in Greece, including record silver grades. The results suggest an extension of zinc mineralisation at depth, with laboratory assays currently pending.
Reasoning: High-grade pXRF readings extend the zinc-silver mineralisation at depth, though the lack of laboratory assay confirmation limits confidence.
Positive factors
- extension of mineralisation at depth
- record silver grades for the project
- high-grade zinc spot readings
Negative factors
- results are preliminary pXRF readings
- laboratory assays still pending
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 10
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Drilling extended mineralisation at depth.
Evidence · text
“resource-upgrade drilling extended mineralisation at depth”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 559 g/t silver is exceptionally high for the project.
Evidence · text
“559 grams per tonne silver, the latter a record for the project”
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: The results are explicitly stated as preliminary pXRF readings with laboratory assays still pending.
Evidence · text
“Rockfire stressed that the pXRF results are preliminary, with laboratory assays... still pending”
Extracted facts
Stored fact records: 10. Some facts used in scoring do not have a stored record.
Drill Results (10)
HMO-021Molaoi · silverGrade: 559Grade Unit: g/tIntercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- HMO-021
- Project
- Molaoi
- Commodity
- silver
- Region
- greece
- Reported Region
- greece
- Ticker
- ROCK
Geometry
- Grade
- 559
- Grade Unit
- g/t
- Intercept
- 1.5 m
- From
- 300 m
- To
- 301.5 m
- Intercept Depth
- 300 m
Classification
- Sample Type
- drill
- Group ID
- HMO-021:300-301.5
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: 559 g/t silver is a project record, though based on preliminary pXRF.
Positive factors
- record silver grade for the project
Negative factors
- preliminary pXRF reading
Evidence · text
“1.5-metre zone around 300 metres depth with individual readings of 24.6% zinc and 559 grams per tonne silver, the latter a record for the project”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
HMO-021Molaoi · zincGrade: 24.6Grade Unit: %Intercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- HMO-021
- Project
- Molaoi
- Commodity
- zinc
- Region
- greece
- Reported Region
- greece
- Ticker
- ROCK
Geometry
- Grade
- 24.6
- Grade Unit
- %
- Intercept
- 1.5 m
- From
- 300 m
- To
- 301.5 m
- Intercept Depth
- 300 m
Classification
- Sample Type
- drill
- Group ID
- HMO-021:300-301.5
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High grade zinc intercept reported via pXRF.
Positive factors
- high grade zinc
Negative factors
- preliminary pXRF reading
Evidence · text
“1.5-metre zone around 300 metres depth with individual readings of 24.6% zinc”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
HMO-021Molaoi · zincGrade: 6Grade Unit: %Intercept: 10 mView all detailsHide details
Identity
- Hole ID
- HMO-021
- Project
- Molaoi
- Commodity
- zinc
- Region
- greece
- Reported Region
- greece
- Ticker
- ROCK
Geometry
- Grade
- 6
- Grade Unit
- %
- Intercept
- 10 m
- From
- 238 m
- To
- 248 m
- Intercept Depth
- 238 m
Classification
- Sample Type
- drill
- Group ID
- HMO-021:238-248
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Average grade from spot readings via pXRF.
Negative factors
- preliminary pXRF reading
Evidence · text
“interval between 238m and 248m produced multiple spot readings averaging 6% zinc”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
HMO-021Molaoi · silverGrade: 48Grade Unit: g/tIntercept: 10 mView all detailsHide details
Identity
- Hole ID
- HMO-021
- Project
- Molaoi
- Commodity
- silver
- Region
- greece
- Reported Region
- greece
- Ticker
- ROCK
Geometry
- Grade
- 48
- Grade Unit
- g/t
- Intercept
- 10 m
- From
- 238 m
- To
- 248 m
- Intercept Depth
- 238 m
Classification
- Sample Type
- drill
- Group ID
- HMO-021:238-248
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Average silver grade from spot readings via pXRF.
Negative factors
- preliminary pXRF reading
Evidence · text
“238m and 248m produced multiple spot readings averaging 6% zinc and 48g/t silver”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
HMO-021Molaoi · zincGrade: 9.5Grade Unit: %Intercept: 2.3 mView all detailsHide details
Identity
- Hole ID
- HMO-021
- Project
- Molaoi
- Commodity
- zinc
- Region
- greece
- Reported Region
- greece
- Ticker
- ROCK
Geometry
- Grade
- 9.5
- Grade Unit
- %
- Intercept
- 2.3 m
- From
- 271.8 m
- To
- 274.1 m
- Intercept Depth
- 271.8 m
Classification
- Sample Type
- drill
- Group ID
- HMO-021:271.8-274.1
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Zinc intercept reported via pXRF.
Negative factors
- preliminary pXRF reading
Evidence · text
“zone from 271.8m to 274.1m averaged 9.5% zinc”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
HMO-021Molaoi · silverGrade: 37.8Grade Unit: g/tIntercept: 2.3 mView all detailsHide details
Identity
- Hole ID
- HMO-021
- Project
- Molaoi
- Commodity
- silver
- Region
- greece
- Reported Region
- greece
- Ticker
- ROCK
Geometry
- Grade
- 37.8
- Grade Unit
- g/t
- Intercept
- 2.3 m
- From
- 271.8 m
- To
- 274.1 m
- Intercept Depth
- 271.8 m
Classification
- Sample Type
- drill
- Group ID
- HMO-021:271.8-274.1
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Silver intercept reported via pXRF.
Negative factors
- preliminary pXRF reading
Evidence · text
“271.8m to 274.1m averaged 9.5% zinc and 37.8g/t silver”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
HMO-021Molaoi · zincGrade: 46.6Grade Unit: %Intercept: 0 mView all detailsHide details
Identity
- Hole ID
- HMO-021
- Project
- Molaoi
- Commodity
- zinc
- Region
- greece
- Reported Region
- greece
- Ticker
- ROCK
Geometry
- Grade
- 46.6
- Grade Unit
- %
- Intercept
- 0 m
- From
- 311 m
- To
- 311 m
- Intercept Depth
- 311 m
Classification
- Sample Type
- drill
- Group ID
- HMO-021:311-311
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Very high peak zinc reading via pXRF.
Positive factors
- peak zinc reading
Negative factors
- preliminary pXRF reading
Evidence · text
“peak readings of 46.6% zinc at around 311m”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
HMO-021Molaoi · silverGrade: 86Grade Unit: g/tIntercept: 0 mView all detailsHide details
Identity
- Hole ID
- HMO-021
- Project
- Molaoi
- Commodity
- silver
- Region
- greece
- Reported Region
- greece
- Ticker
- ROCK
Geometry
- Grade
- 86
- Grade Unit
- g/t
- Intercept
- 0 m
- From
- 349 m
- To
- 349 m
- Intercept Depth
- 349 m
Classification
- Sample Type
- drill
- Group ID
- HMO-021:349-349
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: High peak silver reading via pXRF.
Positive factors
- peak silver reading
Negative factors
- preliminary pXRF reading
Evidence · text
“86g/t silver at around 349m”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
HMO-021Molaoi · leadGrade: 9.9Grade Unit: %Intercept: 0 mView all detailsHide details
Identity
- Hole ID
- HMO-021
- Project
- Molaoi
- Commodity
- lead
- Region
- greece
- Reported Region
- greece
- Ticker
- ROCK
Geometry
- Grade
- 9.9
- Grade Unit
- %
- Intercept
- 0 m
- From
- 349 m
- To
- 349 m
- Intercept Depth
- 349 m
Classification
- Sample Type
- drill
- Group ID
- HMO-021:349-349
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Lead reading reported via pXRF.
Negative factors
- preliminary pXRF reading
Evidence · text
“9.9% lead ... at around 349m”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
HMO-021MolaoiView all detailsHide details
Identity
- Hole ID
- HMO-021
- Project
- Molaoi
- Region
- greece
- Reported Region
- greece
- Ticker
- ROCK
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-16T00:00:00.000Z
Reasoning: Metallurgical work index supports future development studies.
Positive factors
- supports SAG grinding circuit consideration
Evidence · text
“Bond Ball Mill testing returned a work index of 14.83 kWh/t”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
How Atlas produces this analysis
Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.